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3 x 5 = 15
2 x 2 x 5 = 20
Combine the factors, eliminating duplicates.
2 x 2 x 3 x 5 = 60, the LCM

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Wiki User

12y ago

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More answers

2 x 2 x 3 = 12

3 x 5 = 15

2 x 2 x 7 = 28

2 x 2 x 3 x 5 x 7 = 420, the LCM

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Wiki User

12y ago
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2 x 2 x 2 x 2 = 16

2 x 2 x 7 = 28

2 x 2 x 2 x 2 x 2 x 2 = 64

Combine the factors, eliminating duplicates.

26 x 7 = 448, the LCM

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Wiki User

12y ago
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Factor them.

5 x 5 = 25

2 x 2 x 7 = 28

2 x 3 x 5 = 30

Select the highest amount of each factor.

2 x 2 x 3 x 5 x 5 x 7 = 2100, the LCM

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Wiki User

7y ago
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420

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Wiki User

11y ago
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180

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Wiki User

10y ago
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168

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Wiki User

10y ago
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Q: How do you work out the LCM for 25 28 30?
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